To celebrate April’s rare solar eclipse, some of America’s biggest fast-food retailers are offering deals brighter than the sun will soon be. On April 8, the moon will move in front of the sun and effectively block its rays for around 2 hours. The celestial phenomenon will span Mexico to the very eastern tip of Canada, as reported by the BBC. The next one won’t be experienced until 2045. Krispy KremeKrispy Kreme is one of countless fast food joints offering yummy deals for hungry solar eclipse viewers. To celebrate the occasion, the brand has launched a limited-edition treat called the Total S…